little_helpers/tikz/sketch-0.2.161/global.h

   1 /* global.h
   2    Copyright (C) 2005,2006,2007,2008 Eugene K. Ressler, Jr.
   3
   4 This file is part of Sketch, a small, simple system for making
   5 3d drawings with LaTeX and the PSTricks or TikZ package.
   6
   7 Sketch is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 Sketch is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with Sketch; see the file COPYING.txt.  If not, see
  19 http://www.gnu.org/copyleft */
  20
  21 #ifndef __GLOBAL_H
  22 #define __GLOBAL_H
  23
  24 #include "opts.h"
  25 #include "error.h"
  26 #include "geometry.h"
  27 #include "langver.h"
  28
  29 #define GE_EXTENT           0
  30 #define GE_BASELINE         1
  31 #define GE_OPTS             2
  32 #define GE_FRAME            3
  33 #define GE_SPLIT            4
  34 #define GE_CAMERA           8
  35 #define GE_OUTPUT_LANGUAGE  9
  36
  37 // these must match table in opt.c and global.c
  38 #define GEOL_GRAPHICS_BIT   1
  39 #define GEOL_TEX_MACROS_BIT 2
  40 #define GEOL_PSTRICKS       (GEOL_GRAPHICS_BIT*0)
  41 #define GEOL_TIKZ           (GEOL_GRAPHICS_BIT*1)
  42 #define GEOL_LATEX          (GEOL_TEX_MACROS_BIT*0)
  43 #define GEOL_CONTEXT        (GEOL_TEX_MACROS_BIT*1)
  44
  45 // this must match string table in global.c
  46 extern char *output_language_str[];
  47
  48 typedef struct global_env_t
  49 {
  50   unsigned set_p_mask;
  51   OPTS opts[1];
  52   POINT_3D bb1, bb2;            // bounding box
  53   char *frame_opts;             // null if frame has none
  54   FLOAT baseline;
  55   int split_p;
  56   TRANSFORM camera;
  57   int output_language;
  58   PST_VERSION pst_version[1];
  59   TIKZ_VERSION tikz_version[1];
  60 }
  61 GLOBAL_ENV;
  62
  63 #define global_env_is_set_p(Env, F) ((Env)->set_p_mask & bit(F))
  64
  65 void init_global_env (GLOBAL_ENV * env, PST_VERSION *pst_version, TIKZ_VERSION *tikz_version);
  66 void set_global_baseline (GLOBAL_ENV * env, FLOAT baseline, SRC_LINE line);
  67 #define NO_BASELINE FLT_MAX
  68 void set_global_env_extent (GLOBAL_ENV * env, POINT_3D p1, POINT_3D p2,
  69                             SRC_LINE line);
  70 int get_transformed_global_env_extent (BOX_3D * extent, GLOBAL_ENV * env);
  71 void set_global_env_opts (GLOBAL_ENV * env, char *opt_str, SRC_LINE line);
  72 void set_global_env_frame (GLOBAL_ENV * env, char *opt_str, SRC_LINE line);
  73 void set_global_env_camera (GLOBAL_ENV * env, TRANSFORM camera,
  74                             SRC_LINE line);
  75 void set_global_output_language (GLOBAL_ENV * env, int output_language,
  76                                  SRC_LINE line);
  77 int get_global_output_language (int *output_language, GLOBAL_ENV * env);
  78 int cmp_with_global_pst_version(GLOBAL_ENV * env,
  79                                 char * version_str,
  80                                 SRC_LINE line);
  81
  82 extern GLOBAL_ENV __the_global_env[1];
  83
  84 #define global_env  __the_global_env
  85
  86 #endif